Light source device and measuring instrument using change over time of intensity of mode-locked oscillated output light

A measuring device using a change in intensity of mode-locked oscillated output light over time, the measuring device comprising:

• an electrical signal generator configured to control intensity of an optical signal from a light source device;
• an optical gain unit configured to be controlled by a periodic electrical signal having a cycle time calculated by dividing a round-trip time of a photon corresponding to each of different light paths by an integer multiple;
• and
• a reflector configured to generate a reflective signal at a specific light path distance such that the reflective signal is oscillated at a maximum level when a specific periodic electrical signal corresponding to a mode locking condition is applied.

A measuring device using a change in intensity of mode-locked oscillated output light over time, the measuring device comprising:

• an electrical signal generator configured to output periodic electrical signals having cycles calculated by dividing a round-trip time of photons corresponding to each of different light paths by an integer multiple such that the cycles change over time;
• an optical gain unit configured to generate light and amplify intensity of the light, under periodic control of a periodic electrical signal;
• a light splitter configured to split the intensity of light at a certain ratio;
• and
• a reflector configured to generate a reflective signal at a specific light path distance such that the reflective signal is oscillated at a maximum level when a specific periodic electrical signal corresponding to a mode locking condition is applied.

A measuring device using a change in intensity of mode-locked oscillated output light over time, the measuring device comprising:

• an electrical signal generator configured to output periodic electrical signals having cycles calculated by dividing a round-trip time of photons corresponding to each of different light paths by an integer multiple such that the cycles change over time;
• an optical gain unit configured to generate light and amplify intensity of the light, under periodic control of a periodic electrical signal from the electrical signal generator;
• a reflector configured to generate a reflective signal at a specific light path distance such that the reflective signal is oscillated at a maximum level when a specific periodic electrical signal corresponding to a mode locking condition is applied;
• and
• a partial reflector configured to transmit a part of the intensity of light and reflect the remainder.

A measuring device using a change in intensity of mode-locked oscillated output light over time, the measuring device comprising:

• an electrical signal generator configured to output periodic electrical signals having cycles calculated by dividing a round-trip time of photons corresponding to each of different light paths by an integer multiple such that the cycles change over time;
• an optical gain unit configured to generate light and amplify intensity of the light, under periodic control of a periodic electrical signal from the electrical signal generator;
• a light circulator configured to change a propagation path of the light output from optical gain unit;
• a reflector configured to generate a reflective signal at a specific light path distance such that the reflective signal is oscillated at a maximum level when a specific periodic electrical signal corresponding to a mode locking condition is applied;
• and
• a light splitter configured to split the intensity of light at a certain ratio.

A measuring device using a change in intensity of mode-locked oscillated output light over time, the measuring device comprising:

• an electrical signal generator configured to output periodic electrical signals having cycles calculated by dividing a round-trip time of photons corresponding to each of different light paths by an integer multiple such that the cycles change over time;
• an electro-optic device configured to be controlled by a periodic electrical signal from the electrical signal generator;
• an optical gain unit configured to generate light and amplify intensity of the light;
• a light splitter configured to split the intensity of light at a certain ratio;
• and
• a reflector configured to generate a reflective signal at a specific light path distance such that the reflective signal is oscillated at a maximum level when a specific periodic electrical signal corresponding to a mode locking condition is applied.

A measuring device using a change in intensity of mode-locked oscillated output light over time, the measuring device comprising:

• an electrical signal generator configured to output periodic electrical signals having cycles calculated by dividing a round-trip time of photons corresponding to each of different light paths by an integer multiple such that the cycles change over time;
• an electro-optic device configured to be controlled by a periodic electrical signal from the electrical signal generator;
• an optical gain unit configured to generate light and amplify intensity of the light;
• a reflector configured to generate a reflective signal at a specific light path distance such that the reflective signal is oscillated at a maximum level when a specific periodic electrical signal corresponding to a mode locking condition is applied;
• and
• a partial reflector configured to transmit a part of the intensity of light and reflect the remainder.

A measuring device using a change in intensity of mode-locked oscillated output light, the measuring device comprising:

• an electrical signal generator configured to output periodic electrical signals having cycles calculated by dividing a round-trip time of photons corresponding to each of different light paths by an integer multiple such that the cycles change over time;
• an electro-optic device configured to be controlled by a periodic electrical signal from the electrical signal generator;
• an optical gain unit configured to generate light and amplify intensity of the light;
• a light circulator configured to change a propagation path of the light;
• a reflector configured to generate a reflective signal at a specific light path distance such that the reflective signal is oscillated at a maximum level when a specific periodic electrical signal corresponding to a mode locking condition is applied;
• and
• a light splitter configured to split the intensity of light at a certain ratio.